文件目录

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|—— mysql
|    |__ conf
|         |__ my.cnf
|    |__ data
|    |__ logs
|—— mysql-slave
|    |__ conf
|         |__ my.cnf
|    |__ data
|    |__ logs

Docker基础镜像

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docker pull mysql/mysql-server:5.6

修改Master 配置文件,开启binlog,设定binlog_format=ROW

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# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html
[mysql]
default-character-set=utf8mb4
[mysqld]
#不加 user=root会报错: Fatal error: Please read "Security" section of the manual to find out how to run mysqld as root!
user=root
port = 3336
character_set_server=utf8mb4
#错误日志
log-error=/logs/error.log
#开启慢查询日志记录
slow_query_log=1
#查询时间超过2秒的sql语句会被记录
long_query_time=2
#记录没有使用索引的查询
log_queries_not_using_indexes=1
#记录慢查询日志的文件地址
slow-query-log-file=/logs/slowquery.log
#记录用户所有的操作
general_log=ON
#操作日志
general_log_file=/logs/operation.log
#bin Log
log-bin=/logs/bin-log.log
binlog_format=ROW
server_id=1

#
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M
#
# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin
#
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

# Recommended in standard MySQL setup
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

[mysqld_safe]
pid-file=/var/run/mysqld/mysqld.pid

修改Slave配置文件

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# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html
[mysql]
default-character-set=utf8mb4
[mysqld]
#不加 user=root会报错: Fatal error: Please read "Security" section of the manual to find out how to run mysqld as root!
user=root
port = 3336
character_set_server=utf8mb4
#错误日志
log-error=/logs/slave-error.log
#开启慢查询日志记录
slow_query_log=1
#查询时间超过2秒的sql语句会被记录
long_query_time=2
#记录没有使用索引的查询
log_queries_not_using_indexes=1
#记录慢查询日志的文件地址
slow-query-log-file=/logs/slave-slowquery.log
#记录用户所有的操作
general_log=ON
#操作日志
general_log_file=/logs/slave-operation.log
#bin Log
log-bin=/logs/slave-bin-log.log
binlog_format=ROW
server_id=2

#
# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M
#
# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin
#
# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock

# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0

# Recommended in standard MySQL setup
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

[mysqld_safe]
pid-file=/var/run/mysqld/mysqld.pid

运行Master节点

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docker run -p 3308:3336 --name mysql5.6 -v /opt/mysql/conf/my.cnf:/etc/my.cnf -v /opt/mysql/logs:/logs -v /opt/mysql/data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 -d mysql/mysql-server:5.6

开启root远程访问

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开启root远程访问
进入容器操作: docker exec -it containerId /bin/bash
mysql -u root -p
use mysql;
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456';
flush privileges;

创建主从账号并授权

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CREATE USER 'repl'@'%' IDENTIFIED BY 'slavepass';
GRANT REPLICATION SLAVE ON *.* TO 'repl'@'%';
flush privileges;

SHOW MASTER STATUS;

运行slave节点

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docker run -p 3309:3336 --name mysql5.6_slave --link mysql5.6:mysql_master -v /opt/mysql-slave/conf/my.cnf:/etc/my.cnf -v /opt/mysql-slave/logs:/logs -v /opt/mysql-slave/data:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 -d mysql/mysql-server:5.6

配置slave

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在slave上执行:
CHANGE MASTER TO MASTER_HOST='10.72.9.200',MASTER_PORT=3308,MASTER_USER='repl',MASTER_PASSWORD='slavepass',MASTER_LOG_FILE='bin-log.000004',MASTER_LOG_POS=918;

启动SLAVE
start slave;

查看slave状态,命令行使用下面的命令,客户端工具不要使用\G
show slave status\G;
mysql> show slave status\G;
*************************** 1. row ***************************
               Slave_IO_State: Connecting to master
                  Master_Host: 10.72.9.200
                  Master_User: repl
                  Master_Port: 3308
                Connect_Retry: 60
              Master_Log_File: bin-log.000004
          Read_Master_Log_Pos: 71793488
               Relay_Log_File: 8106818a94d0-relay-bin.000003
                Relay_Log_Pos: 4
        Relay_Master_Log_File: bin-log.000004
             Slave_IO_Running: Connecting
            Slave_SQL_Running: Yes
              Replicate_Do_DB: 
          Replicate_Ignore_DB: 
           Replicate_Do_Table: 
       Replicate_Ignore_Table: 
      Replicate_Wild_Do_Table: 
  Replicate_Wild_Ignore_Table: 
                   Last_Errno: 0
                   Last_Error: 
                 Skip_Counter: 0
          Exec_Master_Log_Pos: 71793488
              Relay_Log_Space: 120
              Until_Condition: None
               Until_Log_File: 
                Until_Log_Pos: 0
           Master_SSL_Allowed: No
           Master_SSL_CA_File: 
           Master_SSL_CA_Path: 
              Master_SSL_Cert: 
            Master_SSL_Cipher: 
               Master_SSL_Key: 
        Seconds_Behind_Master: NULL
Master_SSL_Verify_Server_Cert: No
                Last_IO_Errno: 2003
                Last_IO_Error: error connecting to master 'repl@10.72.9.200:3308' - retry-time: 60  retries: 23
               Last_SQL_Errno: 0
               Last_SQL_Error: 
  Replicate_Ignore_Server_Ids: 
             Master_Server_Id: 0
                  Master_UUID: fc513cec-ed3d-11e8-a88a-0242ac110007
             Master_Info_File: /var/lib/mysql/master.info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
           Master_Retry_Count: 86400
                  Master_Bind: 
      Last_IO_Error_Timestamp: 190312 08:20:33
     Last_SQL_Error_Timestamp: 
               Master_SSL_Crl: 
           Master_SSL_Crlpath: 
           Retrieved_Gtid_Set: 
            Executed_Gtid_Set: 
                Auto_Position: 0
1 row in set (0.00 sec)

ERROR: 
No query specified


关闭SLAVE: STOP SLAVE;
重置SLAVE: reset slave;